Final answer:
The character in 'Old Man' is not described as a laborer in a factory which is the trait that he does not exhibit from the given options. He is a grandfather with Hispanic and Native American heritage, and he has influenced the poet personally.
Step-by-step explanation:
The main character described in the compilation of texts provided exhibits various traits, but one trait not attributed to him is being a laborer in a factory.
The character is indeed a grandfather, as seen when described in the context of a family, which matches option 1. He is influenced by Hispanic and Native American descent, aligning with traditional depictions similar to those in the works of Oswaldo Guayasamin as mentioned, correlating with option 2. His personal influence on the poet is evident through the intimate and reflective narration, aligning with option 4. However, there is no mention or example given in these texts that indicates he works as a laborer in a factory, which eliminates option 3 as a correct trait of the main character in 'Old Man'.