to keep company; to listen to; to associate with; to play against (e.g. a team); to take on (e.g. a rival)
to keep company; to look after; to entertain; to play (a game) with
opponent; adversary; the competition; the other side; one's enemy
marriage partner; spouse; wife-to-be; husband-to-be; future spouse
person with whom to speak; someone to talk to; companion; advisor; adviser
other side; other party; other end (e.g. of phone connection); opposition
adviser; someone to consult with; someone to turn to about one's concerns; confidant
adulterous partner (in a relationship); adulterous lover
out of one's league; facing a too tough opponent; outclassed
person with whom one is having an illicit love affair
person with whom to speak; someone to talk to; companion; advisor; adviser
person one is dating; significant other; partner; boyfriend; girlfriend
changing one's attitude or response according who one is talking to or dealing with
to challenge (esp. in a lawsuit); to take on an opponent (in negotiations, contest, etc.)
good match for an opponent; worthy (e.g. rival)
communications partner; entity at the end of a communication
the other party (usu. in business); person or party with whom you are dealing (on the other end)
interviewee; subject of an interview
recipient (of email, e.g.)
permanent virtual connection; PVC
switched virtual connection; SVC