Luis Muñoz Marín was the most important twentieth-century political figure in Puerto Rico, and was the first governor elected by Puerto Ricans. Muñoz Marín founded the Popular Democratic Party in 1938.
... na caaham =
"...and not I....", meaning "but I am not...".
"teshv-" (in/at/by them) at the end of the second line is in locative
plural. Translated: "...in ...