noun

an association dedicated to a particular interest or activity.

I belong to a photographic club

society,association,organization,institution,group,circle,set,clique,coterie,band,body,ring,crew,troupe,affiliation,alliance,league,union,federation,company,coalition,consortium,combine,guild,lodge,order,fraternity,brotherhood,sorority,fellowship,sodality

verb

combine with others so as to collect a sum of money for a particular purpose.

friends and colleagues clubbed together to buy him a present

pool resources,make a kitty,join forces,make a joint contribution,divide/share costs,team up,join up,band together,come together,get together,pull together,collaborate,ally,have a whip-round,chip in