noun

• (by extension) One who ministers to the evil designs and passions of another.
  "Camillo was his helpe in this, his Pandar: There is a Plot against my Life, my Crowne; All's true that is mistrusted: that false Villaine, Whom I employ'd, was pre-emplot'd"

verb

• (intransitive) To tempt with, to appeal or cater to (improper motivations, etc.); to assist in gratification.
  "His latest speech panders to the worst instincts of the electorate."
• (transitive) To offer (something or someone) in order to tempt or appeal, especially to base or improper motivations.
  "Who knows what Brill really thought? But he pandered the rumor linking Spear to a whole string of dastardly deeds."
• (intransitive) To offer illicit sex with a third party; to pimp.
• (transitive, obsolete) To act as a pander for (somebody).