This is the 13056th most frequent Spanish word.
pobre
Poor.
In this sentence, 'pobre' describes the man's unfortunate situation, showing compassion.
El pobre hombre no tenía dónde vivir.
The poor man had nowhere to live.
Here, 'pobre' refers to the lack of quality or richness in the details of the drawing.
Ese dibujo es muy pobre en detalles.
That drawing is very poor in details.
In this context, 'pobre' expresses self-pity or lamentation regarding one's circumstances.