to put up / to build (scaffolding) / to hang (clothes on a pole) / to connect / to join / to arrange in pairs / to match / to add / to throw in (resources) / to take (boat, train) / variant of 褡[da1]
to help / to assist / to support / for sb (i.e. as a help) / hired (as worker) / side (of pail, boat etc) / outer layer / upper (of a shoe) / group / gang / clique / party / secret society