He was the Head Jailer of Impel Down once, however, after he killed those in the prison cells, he was locked in by Magellan.

Source: https://gamerant.com/one-piece-strongest-first-commanders/

Jailer belongs to the latter category.

Source: https://indianexpress.com/article/entertainment/tamil/jailer-movie-review-rajinikanth-nelson-dilipkumar-complete-entertainer-8885711/

Rajinikanth's Jailer is starting to slow down at the box office.

Source: https://indianexpress.com/article/entertainment/tamil/jailer-box-office-collection-day-23-rajinikanth-film-drops-down-rs-330-crore-8920512/

She speaks of The Jailer, the archdragons and a time prior to Aaravos' imprisonment.

Source: https://www.cbr.com/the-dragon-prince-season5-aikyu-yoda/

The Carnifex can be used for breaking pallets, the Assassin for chasing players, and the Jailer for general patrol.

Source: https://gamerant.com/dead-daylight-best-killers/

While Jailer is delivering strong numbers at the box office, the film’s song “Kaavaalaa”, a dance number featuring Tamannaah Bhatia, is proving to be extremely popular on social media.

Source: https://indianexpress.com/article/entertainment/tamil/jailer-box-office-collection-day-15-despite-witnessing-dip-rajinikanths-film-will-pass-rs-300-crore-mark-today-8908512/

While Jailer will cross the Rs 300 crore mark in India today, it’s unclear if it will actually be able to cross the Rs 600 crore mark at the worldwide box office.

Source: https://indianexpress.com/article/entertainment/tamil/jailer-box-office-collection-day-15-despite-witnessing-dip-rajinikanths-film-will-pass-rs-300-crore-mark-today-8908512/