21. one taketh before other—the rich "before" the poor, who had no supper of their own. Instead of "tarrying for one another" (1Co 11:33); hence the precept (1Co 12:21, 25).
his own supper—"His own" belly is his God (Php 3:19); "the Lord's Supper," the spiritual feast, never enters his thoughts.
drunken—The one has more than is good for him, the other less [Bengel].