Co-helper is a term used to describe someone who helps another person or group with a task or project. There are many synonyms for this word that can be used interchangeably. Some common alternatives include assistant, collaborator, partner, supporter, aide, ally, associate, comrade, colleague, coworker, helper, follower, team member, teammate, and ally. These words are all similar in meaning and convey a sense of working together to achieve a common goal. Whether you're referring to a work colleague, a volunteer partner, or a family member lending a hand, there's always another term you can use to describe them as a co-helper.