יְהוָ֤ה ׀ שֹׁ֘מֵ֤ר אֶת־גֵּרִ֗ים יָת֣וֹם וְאַלְמָנָ֣ה יְעוֹדֵ֑ד וְדֶ֖רֶךְ רְשָׁעִ֣ים יְעַוֵּֽת׃
여호와께서 객을 보호하시며 고아와 과부를 붙드시고 악인의 길은 굽게 하시는도다
Radak
ה' שומר את גרים. "The Lord preserves the strangers (or the converts).": The stranger (or the convert), the orphan, and the widow are weak because they have no helper, and He guards them. Therefore, the Torah warns about them in several places, and the Lord protects them. Similarly, He guards Israel, who were strangers among the nations and weak like an orphan and a widow.
Ibn Ezra
"God guards converts" - Who have no aid as they are from another nation.