This is the 7297th most frequent Portuguese word.
mancebo
A young man or a youth.
Here, 'mancebo' is used to refer to a young man, often implying youth and sometimes vigor.
O mancebo caminhava pela praça, admirando a paisagem.
The young man walked through the square, admiring the scenery.
In this context, 'mancebo' refers to a coat rack—a piece of furniture used for hanging coats and other items.
Comprei um mancebo novo para pendurar os casacos.
I bought a new coat rack to hang the jackets.
Here again, 'mancebo' signifies a young man, focusing on his ability to provide useful advice.