When it comes to finding an antonym for the phrase "being a component", it is important to consider the context in which it is used. If we are talking about an object or system that is made up of multiple parts, then the antonym may be "standing alone" or "independent". On the other hand, if we are talking about a person's role in a group or organization, the antonym may be "passive" or "non-participatory". Ultimately, the antonym for "being a component" will vary depending on the specific situation and the connotations associated with the phrase.