n. (点燃街灯的)灯夫, 点灯器

[ noun ]
(when gas was used for streetlights) a person who lights and extinguishes streetlights
<noun.person>

Lamplighter \Lamp"light`er\, n.
1. One who, or that which, lights a lamp; esp., a person who
in former times lighted street lamps which were
illuminated by a combustible gas; -- such lamps are now
little used, and primarily as nostalgic ornaments.
[1913 Webster +PJC]

He made the night a little brighter
Wherever he did go,
The old lamplighter
Of long, long ago. --Song lyrics.
(?)
[PJC]

2. (Zo["o]l.) The calico bass.

3. A device used to light lamps.
[PJC]