1.volunteer-one offer his services on his own free will.
2.veteran-one who had given long services or who is experienced by long practice.
3.vandal-one who like to destroy property
4.traitor-one who betrays a friend,is disloyal to a cause,country,etc.
5.hypocrite-one who pretend to be what he is not
6.sage-a very wise man
7.optimist-one who sees the bright side of things
8.patriot-one who loves his country
9.novice-one who is new at something.
10.cannibal-one that eat human flesh

TBC
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