If Judah shelters the suppliant Moab, allowing him to remain in Idumea, a blessing will redound to Judah itself and its “throne.”
truth ... judgment ... righteousness - language so divinely framed as to apply to “the latter days” under King Messiah, when “the Lord shall bring again the captivity of Moab” (Psa 72:2; Psa 96:13; Psa 98:9; Jer 48:47; Rom 11:12).