pander

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To act as a go-between or liaison in sexual intrigues; function as a procurer.
• intransitive verb To cater to the lower tastes and desires of others or exploit their weaknesses.

from The Century Dictionary.

• To cater for the lusts of others.
• To minister to others' passions or prejudices for selfish ends.
• To cater for the gratification of the lusts or passions of; pimp for.
• noun One who caters for the lusts of others; a male bawd; a pimp or procurer.
• noun Hence One who ministers to the gratification of any of the baser passions of others.

from the GNU version of the Collaborative International Dictionary of English.

• noun A male bawd; a pimp; a procurer.
• noun Hence, one who ministers to the evil designs and passions of another.
• intransitive verb To act the part of a pander.
• transitive verb To play the pander for.
• transitive verb To appeal to (base emotions or less noble desires), so as to achieve one's purpose; to exploit (base emotions, such as lust, prejudice, or hate).

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A person who furthers the illicit love-affairs of others; a pimp or procurer, especially when male. (Later panderer.)
• noun An offer of illicit sex with a third party.
• noun An illicit or illegal offer, usually to tempt.
• verb intransitive To offer illicit sex with a third party; to pimp.
• verb intransitive To tempt with, to appeal or cater to (improper motivations etc.); to assist in the gratification of.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb yield (to); give satisfaction to
• noun someone who procures customers for whores (in England they call a pimp a ponce)
• verb arrange for sexual partners for others