e.zer is used as a personal name in genealogical, military, building, and worship-related lists.

The attested forms function as a personal name: the named individual appears in a military list, a genealogy, a building report, and a worship-related list.

1. Personal name in narrative and lists · dominant

   All four occurrences are tagged Noun · Proper. In 1 Chronicles 12:10 the APB renders a list ending “Mishmannah the fourth, Jeremiah the fifth”; in 1 Chronicles 4:4 it names a father of Hushah; in Nehemiah 3:19 it identifies the builder as “Ezer son of Jeshua”; and in Nehemiah 12:42 it includes Ezer among those present while the singers were heard.

   1 Chronicles 12:101 Chronicles 4:4Nehemiah 3:19Nehemiah 12:42

In the Anselm Project Bible: The APB explicitly prints “Ezer” in 1 Chronicles 4:4, Nehemiah 3:19, and Nehemiah 12:42, while 1 Chronicles 12:10 gives a list without printing the name. This variation does not establish a different use.