In a nutshell, an antagonist is a character or force that opposes the main character and creates conflict in a story. They add depth and excitement to the narrative.
Competitor can be described as someone, whose key characteristic is to challenge themselves and others and always striving for improvement and success. They embrace competition as a means of personal growth and achievement.
It means being talkative or having the tendency to talk a lot. It's like having a gift to effortlessly engage in conversation.
To sum it up, Tranquility refers to the state of calmness, free from stress, worries and all disturbances.
It is like the ultimate nemesis, the pinnacle of adversaries. It’s the kind of enemy that you have a deep, long-standing conflict with.