Definition of 行動家 (こうどうか)
こうどうか
                        行動家
こうどうか
koudouka
noun
•
        
doer, person of action
Related Kanji
| 行 | going, journey, carry out, conduct, act, line, row, bank | 
| 動 | move, motion, change, confusion, shift, shake | 
| 家 | house, home, family, professional, expert, performer |