A voter who claims the right to vote for the candidate of another party.

政党中的独立分子(投票给他党的候选人)。

A person of importance.

重要的人(贬词，指自以为重要的人)。

One who is undecided or neutral (as in politics) often as a result of an inability to make up his mind; fence-sitter.

因犹豫不决而保持中立者；骑墙派。