Here "table" represents being together with David or in his presence. Eating with the king at his table was a great honor. Alternate translation: "he always ate with the king at his table" (See: [[rc://en/ta/man/translate/figs-metonymy]])
"thouge both of his feet were damaged." Here "feet" represents the ability to walk. Alternate translation: "though he was unable to walk" (See: [[rc://en/ta/man/translate/figs-metonymy]])