usher
noun
a person who escorts people to seats in a theater, church, etc.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Mike has been ushering me up the stairs for years in a building I visit occasionally for medical appointments.
From New York Times ● Aug. 5, 2016