labeler
nounUK /ˈleɪbələ/
US /ˈleɪbələr/
A labeler is a person or machine that puts labels on things.
The labeler put a sticker on every jar of jam.
OTHER MEANINGS
2. A machine used in factories to attach labels to products.
The new labeler can stick labels on a thousand bottles an hour.
3. A person whose job is to sort or mark items with labels.
She works as a labeler at the library, tagging new books.
4. Software or a tool that adds descriptive tags to data or images.
The photo app includes an automatic labeler for faces.