ger toshav (גֵּר תּוֹשָׁב, 'resident alien'), distinct from a full convert (גֵּר צֶדֶק).
Proselyte is the anglicized form of the Greek word prosēlutos (Koine Greek: προσήλυτος, lit. 'stranger' or 'newcomer')
Despite their allegiance to Judaism, the God-fearers were exempted from paying the "Jewish tax" (fiscus Judaicus)
Exodus 12:19 autókhthōn (native, indigenous) ezrāḥ, 48 “stranger sojourns with you” = prosēlytos | gār gûr ēṯ
Exodus 20:10 and Deuteronomy 5:14 = gār ăšer šaʿar | prosēlytos ho paroikeō
Acts 13 ESV vv.16, 26
Acts 16 v.14