Narrator names are parsed automatically from the isnad; identity and biographical details are matched from rijal sources (Itqan narrator profiles, muslimscholars.info).

Hadiths in whose chain he appears

Narrated Ibn Abu Mulaika: Ibn `Abbas wrote that the Prophet (ﷺ) gave his verdict on the basis of the defendant's oath.
Chain of narrators: al-Bukhari ← Ebû Nuaym ← Nâfi' b. Ömer ← 'Abdullah bin 'Ubaidullah b. Abi Mulayka ← İbn Abbâs