zài​qián

ahead

在前 zài​qián
ahead preposition
located in front or in a forward position

Since his name is at the top of the list, he needs to start the self-introductions.

formerly preposition
at a previous time or in the past

This happened earlier; you might not remember it anymore.

Frequency

Written text
14.8 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)