Gregarious

gregarious \grih-GAIR-ee-us\, adjective:

1. Tending to form a group with others of the same kind.
2. Seeking and enjoying the company of others.

'Cavort' by matej

Covort

cavort \kuh-VORT\, intransitive verb:

1. To bound or prance about.
2. To have lively or boisterous fun; to behave in a high-spirited, festive manner.

Arriviste

arriviste \a-ree-VEEST\, noun:

1.A person who has recently attained success, wealth, or high status but not general acceptance or respect; an upstart.