go about, merchant(-man), occupy with, pant, trade, traffick

Strong’s Dictionary of Hebrew Words:

Number:
5503 (find all occurrences in KJV Bible)
Transliteration:
cachar
Phonic:
saw-khar’
Meaning:
a primitive root; to travel round (specifically as a pedlar); intensively, to palpitate
KJV Usage:
go about, merchant(-man), occupy with, pant, trade, traffick

From Manners and Customs of the Bible:

Acts 18:33And because he was of the same craft, he abode with them, and wrought: for by their occupation they were tentmakers. (Acts 18:3). Because he was of the same craft, he abode with them, and wrought: for by their occupation they were tentmakers.
Among the Jews the boys were all compelled to learn trades. It was considered disreputable not to be acquainted with some branch of handicraft, a practical knowledge of a trade being regarded as a requisite to personal independence. This cistern has been found, not only among the Jews, but among some other nations. One of the Sultans of Turkey was taught to make wooden spoons.