参加[Chinois]

nom
1 : the act of being present (at a meeting or event etc.)
2 : the condition of sharing in common with others (as fellows or partners etc.)
verbe
1 : come into the company of
2 : be present at (meetings, church services, university), etc.
3 : be active in
4 : share in something
5 : become part of; become a member of a group or organization