The Mohican is the manager of the bath-house patronized by AYliens
to run a business - although it's not a formal word, いとなむ is usually used by older people. Normally Japanese people use 経営 instead.
open for business
open for business (a sign you'll see on every store window)
to run your own business.
manage, dispose of
経営する 営む 管理 処理 処置 処分