stand up for sb / sth AND stick up for sb / sth (to take the side of , to side with, to defend or support sb / sth) — отстаивать, защищать
Example 2: You will have to stand up for your rights someday.
Sometimes you have to stand up for your rights.
Example 3: Paul always stands up for what he thinks is right (The American Heritage)
Example 4: Ginny has learned to stick up for her family. (The American Heritage)
stand up for oneself — постоять за себя, свои права, свои интересы; защищаться; не давать себя в обиду
Example 2: Officer! You arresting me for what exactly? He started it! I'm not allowed to stand up for myself?
Example 3: Why do you allow him walk all over you like that? Go there and stand up for yourself!
See also:
make a stand for sb/sth in
[make a stand]
Cf.:
stand for sth (believe that sth is important) — отстаивать (позиции, принципы), придерживаться (каких-л. принципов, взглядов); выражать, исповедовать
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