Definition of 努力家 (どりょくか)
どりょくか
                        努力家
どりょくか
doryokuka
noun
•
        
hard worker, hardworking person
Related Kanji
| 努 | toil, diligent, as much as possible | 
| 力 | power, strength, strong, strain, bear up, exert | 
| 家 | house, home, family, professional, expert, performer |