Trooper adjectives are listed in this post. Each word below can often be found in front of the noun trooper in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing TROOPER.
good, little
old, other
real, single
young
Hope this word list had the adjective used with trooper you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.
Stern, unforgiving