«جَاءَنِي الْقَوْمُ غَيْرَ زَيْدٍ»
jāʾanī: verb plus attached object.
al-qawmu: nominative subject.
ghayra: accusative exception, first term of iḍāfa.
Zaydin: genitive second term of iḍāfa.
Error to avoid: treating ghayra as genitive merely because the following noun is genitive.