The antonym of "amateur" is:
Alayman
Bprofessional
Cnon-professional
Dincompetent
Answer & Solution
Correct answer: B. professional
1. "Amateur" = one who does an activity for pleasure, not as a profession.
2. Its direct opposite is "professional" (paid expert).
3. "Layman" / "non-professional" are near-synonyms; "incompetent" is unrelated.
_Source: TSICET 2024 PYQ Q.153 (Shift 1, Antonyms)_