Am I a Winner
That would depend on your definition of a winner. Some consider themselves winner if they win a competition while others tend to call themselves one if they achieve something.
It will depend on how you define a winner. Some would have to match it with an opponent to recognize themselves as winners while others simply consider themselves winners when they achieve something they worked hard for.
The noun, winner is someone or something that wins at something. Synonyms of winner are vanquisher, conqueror and victor. It you have come out victorious, you are a winner.
A winner finishes first in a competition. Winning is success at an venture that is made with an effort. If you have placed first in a competitive endeavor, you are a winner.