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While Nami does find Zoro's trouble with directions greatly perplexing given her talent in the arts of navigation and will not trust him with sailing the ship or even. Ace as a kid was a very rude and a big trouble maker. This strengthen both brothers relationship, especially after Sabo suppose death. Despite all that, Robin seems to have a close relationship with Franky, since she he was not her friend, and he would hunt her down if she became a problem.
Later when Jinbe asked what would happen to Luffy if he was allowed to run rampant while still wounded, Law replied that the outcome was simple: Luffy's wounds would open up and he would die.
He also has no qualms explaining to other people on how he accomplished nullifying their attacks with his abilities, and before that, even stated to Tashigi that weaklings do not get the right to choose the manner in which they die, a statement that he took from Doflamingo. Plagued by the Amber Lead Disease, he was condemned to die in three years, but he has overcomed it.
The lost boy blinded by anger and despair to follow the Mad Pirate is no more! There is nothing he can learn from a monster hungering for destruction like you!!
Trafalgar D. Water Law/Personality and Relationships
Despite Law's terse and rather cruel demeanor towards others, Law still retains strong compassion and kindness, which he originally had as a boy, while regaining them due to Rosinante's influence, such as how he decided to help the Straw Hats find a cure for the children affected by Caesar's drugseven though he originally did not want to have anything to do with them, and later voluntarily curing the children of their deadly poisoning and addiction for NHC10 in a similar fashion to how Rosinate saved him from dying of Amber Lead Syndrome.
He also warned the Straw Hats to be careful of Caesar's abilityand told those who did not have the ability to engage Logias to stay away. Another aspect of his kindness is that he despised wickedness, as he was disgusted when he heard that Caesar subjected the kids on Punk Hazard to addictive drugs. During his discussion with Luffy about their future battle against Kaido, he expressed strong concern for the Mink Tribe as he feared that their presence in Zou would cause the Beast Pirates to ruthlessly destroy the Mokomo Dukedom and its mink citizens, who were already brutally devastated by Jack.
However, this can be disputed since it is most likely that Smoker reported the incident so it's only natural that Garp would find out. For reasons unknown, Garp did not reveal his connection to Dragon and many were shocked to learn that he and an infamous criminal were family.
Garp and Dragon have different assessments of the East Blue. While Garp perceives it as a rather peaceful place, Dragon expresses his disgust with Garp's view of "peace" as nothing more than a form of oppression authorized by the law in places, such as Tequila Wolf and the Goa Kingdomwhere common people that are put into horrible living conditions.
Ultimately, Dragon has a extremely different ideology from his father. While Garp takes pride and contentment in being a Marine serving the World Government, Dragon absolutely despised the World Government to the point of becoming a Revolutionary and seeking to overthrow them. Luffy Edit Garp appears on the news about Luffy's return.
Garp raised Luffy and holds high standards for his grandson Luffy  and gets mad at the slightest mistake he makes, even when his own are sometimes no better i.
Garp also claims Luffy was poisoned by Shanks with ideas of becoming a pirate, as Garp wanted Luffy to be a great Marine like him. However, Luffy claims and told Garp that even as a child he wanted to be a pirate.
- Edward Newgate
- Monkey D. Garp
- Nico Robin/Personality and Relationships
As Nami stated at the time of Garp's departure, there seems to be an amazing ego that runs in Garp's family. Garp left Luffy in Dadan's care as a child, which is how he met Ace. Garp appears proud when Luffy commits outrageous acts.
Portgas D. Ace/Personality and Relationships | One Piece Wiki | FANDOM powered by Wikia
Ace originally had little faith in Luffy's abilities until he saw Luffy use Haoshoku Haki and was amazed by his brother's potential. Ace was protective of Luffy from Garp's harsh training and treatment even going as far as to insult Garp to stop hurting Luffy. As for Luffy, this protective streak is reciprocated, leading to him embarking on a rescue mission to save Ace from Impel Down after hearing of Ace's capture and subsequent imprisonment there.
While they are extremely loving brothers to each other, Luffy always made Ace angry and worried by doing reckless things. As such, Ace readily believed Boa Hancock when she told him that Luffy had broken into the prison. Even near his death, Ace grew angry with Luffy's reckless infiltration of Impel Down, while the endangered Luffy was worried about Ace's safety as well.
Luffy's devotion and love for his brother were shown to the extremes when he fought at the war at Marineford, stating that he would save Ace even if it kills him. Though many were heartbroken when Ace died, none took it harder than Luffy, who was so devastated that he suffered a mental collapse and became unresponsive to his surroundings, and would have been killed by Akainu if others had not defended him.
When Luffy woke up, all he could do was scream in agony and cry and wish it was all a nightmare, and that he would wake up soon. The loss of his brother also had a crucial impact on Luffy, leading him to think that he was not worthy of becoming the Pirate King for the first time in his life.
He only came out of his depression after Jinbe made him realize that Ace had entrusted Luffy's safety to his crew. After the two year timeskip, Luffy has fully gotten over his grief as he was able to talk about Ace's death freely, although his hatred for the man who killed his brother apparently still remains. Nonetheless, Luffy accepts Ace's fate, but also finds comfort in the fact that Ace truly believed he could become the Pirate King.
During the tournament for Ace's Devil Fruit, Luffy has shown that he doesn't like it when Ace's death is made fun of. Garp A typical moment of Garp punching Luffy. Though the two of them get along fine, Luffy is terrified of his grandfather Garp  due to the extreme training Garp put him through in his younger years to make him a strong Marineas well as Garp's tendency to punch Luffy to discipline him.
Garp had high expectations for Luffy, but to Garp's dismay, Luffy did not share his grandfather's plans for his future.
Roronoa Zoro/Personality and Relationships | One Piece Wiki | FANDOM powered by Wikia
Luffy was also ignorant of his grandfather's reputation until his crew informed him that his grandfather once fought the Pirate King Gol D. Garp is familiar with Luffy's personality, saying that Luffy is not the type of person to brag about defeating someone, arguing that Kuma did not need to kill Luffy to keep Moriah's defeat a secret.
Garp was not too surprised to see Luffy use Haoshoku Haki even stating he inherited it after all.
When Luffy came close to the platform, Garp stood in his way in the name of his Marine duties. Luffy was hesitant to go through with attacking his grandfather and told him to move but saw no other choice. However, in the end, Garp chose family over his duties as he allowed Luffy to hit him and reach the execution platform to save Ace.
Monkey D. Luffy/Relationships
Curly Dadan "Dadan, I hate mountain bandits The mountain banditCurly Dadanis Luffy and Ace's foster mother. She had been blackmailed by Garp into taking care of him, and she did not seem pleased with having Luffy as her surrogate son due to being already occupied with the troublesome Ace. Luffy, in turn, did not seem to like the Dadan Family anymore than they liked him due to his run-in with the bandit Higuma.
However, as time passed, they came to care for each other, with Dadan coming in to save Luffy from Bluejamand Luffy worrying for Dadan's safety. Before leaving her, Luffy annoyed her by saying that he hates bandits but makes her cry tears of joy when he states that he likes her.
After the death of Ace, Dadan was deeply concerned with how Luffy must be grieving but swore to keep cheering him on.