Another word for "negotiate" is [?]. This is also used to talk specifically about discussing and agreeing the price of something. Another name for "negotiator" is [?].
Another word for "negotiation" is [?] , used especially in phrases like:
[?]
[?]
[?] (discussions between groups of employees and their employers about pay and conditions)

Bargaining is often used in these combinations:

[?] - a particular technique used by a negotiator
[?] - an issue that a negotiator uses in order to gain an advantage
[?] - a particular issue that a negotiator discusses
[?] - the degree to which one side is strong enough to obtain what it wants
[?] - the way that negotiations develop