Smoker

Smoker the White Hunter is a recurring antagonist that appears in the series  One Piece. He is was a Marine Officer that was then promoted to a Vice Admiral after the timeskip. Smoker also served as the main antagonist of the Loguetown Arc.

Personality
Smoker is very serious and takes his job in the Marines very seriously. Smoker greatly despises pirates as he thinks all of them are nothing but "scum". Smoker also doesn't trust any of the seven Warlords of the sea saying "pirates are still pirates".

However, Smoker has shown to have a soft side as he gave money to a young girl after she accidently spilled ice cream onto him. Smoker is also honorable as he willingly let Luffy and his crew go after Luffy order Zoro to save Smoker from drowning.

After seeing Luffy had survived being excuted and smiling before getting be-headed, Smoker saw Luffy as a threat and always tries to capture him by any means. Smoker commonly tracks down Luffy and tries to turn in the young pirate.