Barter My Time

v. - bar·tered, bar·ter·ing, bar·ters
v.intr.- To trade goods or services without the exchange of money.
v.tr. - To trade (goods or services) without the exchange of money.
n.
1. The act or practice of bartering.
2. Something bartered.
adj. - Of, relating to, or being something based on bartering: a barter economy.

barter

vb
1. (Business / Commerce) to trade (goods, services, etc.) in exchange for other goods, services, etc., rather than for money the refugees bartered for food
2. (Business / Commerce) (intr) to haggle over the terms of such an exchange; bargain
n
(Business / Commerce) trade by the exchange of goods
[from Old French barater to cheat; perhaps related to Greek prattein to do]
barterer  n

Thesaurus

Noun  1. barter - an equal exchange; "we had no money so we had to live by barter"
swap, swop, trade
interchange, exchange - reciprocal transfer of equivalent sums of money (especially the currencies of different countries); "he earns his living from the interchange of currency"
horse trade, horse trading - the swapping of horses (accompanied by much bargaining)
Verb 1. barter - exchange goods without involving money
exchange, interchange, change - give to, and receive from, one another; "Would you change places with me?"; "We have been exchanging letters for a year"