Proud : feeling deep pleasure or satisfaction as a result of one's own achievements, qualities, or possessions or those of someone with whom one is closely associated.
Unsure : not feeling, showing, or done with confidence and certainty.
Worried : anxious or troubled about actual or potential problems.
Ashamed : embarrassed or guilty because of one's actions, characteristics, or associations.
Concerned : worried, troubled, or anxious.
Antonym of
Proud is
Ashamed