'Minister' in the Bible

But it shall not be so among you: but whosoever will be great among you, let him be your minister;

Even as the Son of man came not to be ministered unto, but to minister, and to give his life a ransom for many.

Then shall they also answer him, saying, Lord, when saw we thee an hungred, or athirst, or a stranger, or naked, or sick, or in prison, and did not minister unto thee?