Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Technically, Stamets is an astromycologist and operated the spore drive, but he has been serving in the Chief Engineer capacity as well.
Source: https://screenrant.com/star-trek-discovery-extra-ranks-characters-why/