tergiversātor, ōris, m. [tergiversor],
one who delays , declines , o hangs back , a boggler , laggard (post-class.), Gell. 11, 7, 9; Arn. 7, 247; cf. Isid. 10, 271.
·noun One who tergiversates; one who suffles, or practices evasion. ...
Webster's Dictionary of the English Language