The phrase 'immediate follower' is correct and can be used in written English.
You can use it when you need to describe someone who directly follows someone else in a specific order or rank. For example, "He is the immediate follower of the previous president."
Velázquez left few pupils or immediate followers.
Most often, the immediate followers of the organic master cannot quite absorb the system; they can only axiomatize it.
Although Kimbangu's preaching had no overtly political content, Belgian authorities, alarmed by the disturbances that he provoked, arrested him and his immediate followers in September 1921.
His innovative sculptural style found no immediate followers in Siena, Bologna, or Lucca, but it later became a profound influence on Michelangelo.
But his blandly illustrative works lack the bold, sensuous qualities of prints by his immediate followers Utagawa Toyohiro and Utagawa Toyokuni.
To test this, we conducted a pair of studies sampling 99 leaders and 140 immediate followers in China over a period of two weeks.
Ninety per cent of Tweets are never re-tweeted, and most of the remainder are re-tweeted only by a person's immediate followers, not by those at two or three removes".
Those not belonging to the immediate followers of Jesus also recognized the authority of Peter, such as when the collectors of the temple tax approached him for information (Matthew 17:24).
The Gospel accounts don't provide much in the way of historical detail, and Jesus' immediate followers would probably have considered it idolatrous to celebrate his birthday, since that was sort of thing done for earthly kings.
Although some antigovernment fighters in Aleppo have participated in abuses and battlefield excesses — including the summary execution of prisoners — the perpetrators have often not been identified and the crimes have not been directly linked to Mr. Saleh or his immediate followers, a researcher with Human Rights Watch said.
