Question

a person one who disloyal to motherland​

Answer 1

$<b>insincere\: or \:traitor......$

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Answer 2

A person who is disloyal to their motherland is referred to as a traitor.

As defined in the Cambridge dictionary, a traitor is an individual that is not loyal or quits being loyal to his or her country , social beliefs, class among others.

A traitor sells or gives away information about his or her country to an individual that is not loyal to those beliefs.