A person who pretends to be what he is not is called-

• Imposter - (noun)
- English Meaning: one that assumes false identity or title for the purpose of deception.
- Bangla Meaning: প্রতারক; ভন্ড।

- অন্য অপশন গুলো -

• Novice - A person without training or experience in a skill or subject.
• Monastery - A place where monks live as a secluded community.
• Prop - pole or beam used as a temporary support.

Source: Lecture