Protagoras of Abdera was the first who took the name of “Sophist.” (B.C. 480-411.)
Protean Having the aptitude to change its form: ready to assume different shapes. (See Proteus .)
Protectionist One who advocates the imposition of import duties, to “protect” home produce or manufactures.
Protector The Earl of Pembroke (1216).
Humphrey, Duke of Gloucester (1422-1447).
Richard, Duke of
Gloucester (1483).
The Duke of Somerset (1548).
The Lord Protector of the Commonwealth. Oliver Cromwell
(1653-1658).