[2] In 1947, Alaini was selected among other students to do a scholarship in Beirut, he then studied law at the Cairo University in 1952–59, and Sorbonne in 1956–57.

In 1957, he published a book, Battles and Conspiracies Against the Yemeni Issue (Arabic: معارك ومؤامرات ضد قضية اليمن).

He started his career as a teacher in Aden, where he was involved in the anti-colonial trade union movement from 1960 onwards against British rule.

Following the Civil War and the overthrow of the monarchy, he was appointed the first foreign minister of the Yemen Arab Republic.

His brother-in-law and important supporter, Sinan Abu Luhum, was governor of the port city of Al Hudaydah for many years.