בֵּ֣ית הַ֭לֵּוִי בָּרֲכ֣וּ אֶת־יְהוָ֑ה יִֽרְאֵ֥י יְ֝הוָ֗ה בָּרֲכ֥וּ אֶת־יְהוָֽה׃
O sambahayan ni Levi, pagpalain ninyo ang Walang-Hanggan; kayong mga may takot sa Walang-Hanggan, pagpalain ninyo ang Walang-Hanggan.
Rashi
those who fear the Lord These are the proselytes (I found this).
Metzudat David
"Those who fear G-d" - the righteous among the gentiles.