1. V4h, Intransitive verb

   to serve (by a superior's side)

   Archaic

2. Auxiliary verb, V4h

   to be

   ArchaicPolite (teineigo) languageauxiliary used in place of ある after で or に when forming a copula

3. to do

   ArchaicPolite (teineigo) languageauxiliary used in place of ます

Also written 候【そうろう】sourou