The first thought that comes to mind is that he should have dodged in a different direction.
There is no symbolic meaning for a black squirrel crossing your path. Although they are somewhat rare in certain parts and places, there is no meaning for a black squirrel crossing your path.
deceased
They are in the phylum Chordata meaning that they have spines.
A squirrel belongs to the phylum Chordata, specifically in the class Mammalia.
The adjective late acquired the meaning of deceased in the 15th century. It is related to the usage of the word meaning recent.
Squirrel is the gatherer. Usually interpreted as meaning get ready for the future. Put something away for a "rainy" day. "Get your ducks in a row". prepare for the possibility of a "thin" time to come.
Desisted - meaning stopped Detested - meaning hated Deceased - meaning dead.
Little Brown Squirrel
Having finished the course of life; dead; deceased., A dead person; one deceased.
No longer alive. Deceased.
I think the "spiritual meaning" is that you're not blind, and there are squirrels where you live.
The word for squirrel in Hindi is गिलहरी (gilahri).