Denshi Jisho — Online Japanese dictionary

関わる かかわる 1: to be affected; to be influenced;
2: to be concerned with; to have to do with;
3: to stick to (opinions)
Common word, Godan verb with ru ending, Intransitive verb 

You can also

Look up kanji details for 関わる.

Try a Yahoo Jisho search for 関わる .
Try a Goo Jisho search for 関わる .
Try a Google search for 関わる .