What governs accusative «زَيْدًا» in «جَاءَنِي الضَّارِبُ زَيْدًا»?

Relative Nouns — Ṣilah, ʿĀʾid, Forms and Syntax

• The main verb «جَاءَ»
• A preposition
• The active participle «ضَارِب»
• A necessarily deleted verb