What part of speech is pilfered in the sentence thief jewels from safe?

"Pilfered" in the sentence "The thief pilfered jewels from the safe" is the verb.

Here's why:

* Verb: It describes the action the thief is performing (taking the jewels).

* Subject: The subject of the sentence is "thief".

* Object: The object of the verb is "jewels".

Let me know if you have other words you'd like to identify!