As a Noun:
1. A person who shouts out to show they like someone, especially a sports team, and wants them to do well or win. English = barracker, supporter, fan.
2. Something that prevents people or things from being harmed or damaged. English = protection, defence.
As a Verb or Adjective:
1. To shout out to show you like someone, especially a sports team, and want them to do well or win. English = barrack for, support, (be) a fan of.
2. To agree with someone's ideas or aims and to want them to succeed, and perhaps to help them. English = support, back up.
3. To treat someone better or more kindly than you treat other people. English = favour.
4. To prevent someone or something from being harmed or damaged. English = protect, defend.