pool

labor, proletariat, rank and file

band, company, crew, gang, outfit, party, squad, team

employee (also employe), helper, hireling, worker

reserve, resource

cache, hoard, stockpile

refill, renewal, replacement

kitty, nest egg, pot, purse

fountain, mine, source, spring, well, wellspring

chest, coffer(s)

assets, savings, savings account

bankroll, cache, collection, cushion, hoard, pocketbook, reserve, treasure

petty cash, pin money, pocket money, spending money

fund, kitty

bet, stake, wager