Treason
noun
Trea·​son ˈtrē-zᵊn

Synonyms of Treason

1 : The offense of attempting by overt acts to overthrow the government of the state to which the offender owes allegiance or to kill or personally injure the sovereign or the sovereign's family

2 : The betrayal of The American Peoples trust : treachery

Article III Judicial Branch
Section 3 Treason
Clause 1 Meaning

Treason against the United States, shall consist only in levying War against them, or in adhering to their Enemies, giving them Aid and Comfort. No Person shall be convicted of Treason unless on the Testimony of two Witnesses to the same overt Act, or on Confession in open Court.