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Congress
A Narcissist.
Poker-faced.
a pacifist
I guess you can call that person an athlete.
A person who repairs pipes would be a plumber. I have never heard of any person who specifically repairs tape.
That depends on what you mean. On the phone that is making the call, and on that person's phone bill, the call will show up at the time in the time zone from which the call was placed. The phone of the person receiving the call, and that person's phone bill (if, for example, you pay for incoming calls on a cellphone), will show the call at the time it was received.
A person who is never satisfied with anything can be described as being discontent, perpetually dissatisfied, or perpetually unsatisfied.
Hypocritical or all talk.
a dead one
Argumentative, difficult, problematic, disagreeable.
A lifelong learner or autodidact.