Father and mother are treated with contempt. Within your walls the foreign resident is exploited, the fatherless and the widow are oppressed.
In these verses the prophet by a commission from Heaven sits as a judge upon the bench, and Jerusalem is made to hold up her hand as a prisoner at the bar; and, if prophets were set over other nations, much more over God's nation, Jer 1:10. This prophet is authorized to judge the bloody city, the city of bloods.
Commenting on Ezekiel 22:1-16
In thee have they set light by father and mother,.... Through whom they received their being from God; by whom they were brought into the world, brought up and educated; and to whom they owed great respect, honour, and obedience; but, on the contrary, they wanted affection to their persons, showed great disrespect to their commands, and treated them with irreverence and contempt; a sin...
set light by--Children have made light of, disrespected, father . . . (Deu 27:16). At Eze 22:7-12 are enumerated the sins committed in violation of Moses' law.