buy out

verb5

1. •
   to purchase the entire stock or extent of something

   • […] the present Earl had no colour or pretence of right to the estate; and yet the appellants had thought fit to buy him out, […] — 1784
2. •
   to purchase the ownership of a company
3. •
   To close someone's contract by paying him or her a sum of money, the terms of which are often stated in the contract itself.
4. •
   To gain release for (a person) from military service by payment of money.
5. •
   (slang, old-fashioned) To avoid a punishment or escape a difficult situation.

   • You always manage to buy out at the last second.