Random Riddle: Entertainment Craving Feeder

The word “star”.

Each of the first four lines is a clue to an anagram of “star”.
The last line is a clue to the word itself.

line 1 — arts (works of art (e.g., musical compositions) found in concert halls and theaters)
line 2 — tsar ((= czar) an emperor or king)
line 3 — tars (roofing tar, fixes roof leaks)
line 4 — rats (rats have long tails and eat whatever they can find)
line 5 — star (e.g., a movie star, satisfying one’s craving for entertainment)