One who opposes another; one who works or takes a position against someone or something; one who attempts to stop the progress of someone or something.
The participant who opens an academic debate by putting forward objections to a theological or philosophical thesis.
One who opposes another in words (in a dispute, argument or controversy).
One who is opposed or objects (to a policy, course of action or set of ideas).
One who opposes another physically (in a fight, sport, game, or competition).
One who protects or supports; a defender or advocate.
A guardian or intercessor; synonym of patron saint.
An influential, wealthy person who supported an artist, craftsman, a scholar or a noble.
A customer, as of a certain store or restaurant.
A protector of a dependent, especially a master who had freed a slave but still retained some paternal rights.
One who has gift and disposition of a benefice.
A padrone.