1. 推销员：canonist 经院派 | canvasser 推销员 | capability 能力

2. 拉票人：candidature 候选人身分;候选人资格 | canvasser 拉票人 | canvassing 拉票活动

3. 推销员保险经纪人：canvasseamingtools 缝帆工具 | canvasser 推销员 保险经纪人 | canvasser 推销员保险经纪人

4. 游说者：canvass 细查 | canvasser 游说者 | cany 藤制的

noun

1. a person who takes or counts votes

2. someone who conducts surveys of public opinion

e.g. a pollster conducts public opinion polls
a headcounter counts heads

Synonym: pollsterpoll takerheadcounter

3. someone who examines votes at an election

Synonym: scrutineer

4. a petitioner who solicits contributions or trade or votes

Synonym: solicitor