A change agent is an event, organisation, material thing or, more usually, a person that acts as a catalyst for change. In business terms, a change agent is a person chosen to bring about organisational change. Corporations often hire senior managers or even chief executives because of their aboility to effect change.
Use in a sentence - Mr. Farnsworth is considered a change agent for his organization.
role of a change agent
An agent that can change DNA is a mutagen.
There is no clear antonym listed in thesaurus but it could be reverse agent.
An agent of change is someone or some thing that facilitates change of some sort.
because he a change agent