Noun:

ক্ষমতা ব্যবহারকারী,

power user's Usage Examples:

A power user is a user of computers, software and other electronic devices, who uses advanced features of computer hardware, operating systems, programs.

also signify a layman with only user account privileges, as opposed to a power user or administrator, who has knowledge of, and access to, superuser accounts;.

"Reddit power user and ecologist Unidan is shadowbanned".

Tanegashima)[citation needed] Japan became the third largest nuclear power user in the world with 55 nuclear reactors.

Synonyms:

control; effectuality; strength; effectualness; irresistibility; discretion; interestingness; influence; potency; sway; legal power; puissance; powerful; repellent; persuasiveness; valence; disposal; veto; quality; effectiveness; stranglehold; valency; powerless; free will; chokehold; jurisdiction; powerfulness; interest; preponderance; irresistibleness; throttlehold; effectivity; repellant;

Antonyms:

powerlessness; uninterestingness; unpersuasiveness; powerful; powerless; ineffectiveness;