1. One who utters a solemn declaration; one who protests a bill.

2. One who protests.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• protestwers,
• protete,
• proteset,
• prtesters,
• protestan,
• protestes,
• groteste,
• protecter,
• protestig,
• protestof,
• protecte,
• protesta,
• protessor,
• protesed,
• protesers,
• protested,
• protetor,
• protestor,
• protestr,
• protesteer

• pretext,
• protease,
• protestation,
• protestant,
• protective,
• protist,
• protector,
• protectorate,
• pratts,
• proteus,
• protected,
• pritts,
• proteaceae,
• protest,
• protecting,
• protect,
• predestine,
• protegee,
• pretzel,
• protege,
• predestinate,
• predigested,
• protestingly,
• protesting,
• protection.

The adjective form of the word "protester" is "protest".

The plural of the "protester" can be the "protesters".

The singular of the "protester" can be the "protester".