The person who is going to look for Abraham is:
Sancho and Bolsa.
After Sancho and Bolsa talked to Robin and she told them about the parrot named Abraham, they went to the zoo where the receptionist mentioned that the parrot was in the office and that his owner would later come for him.
Sancho and Bolsa believed that if they waited for the person who would come for him, they could find William, the man they had been looking for, however, their disappointment was enormous when they saw that the one who came to pick him up was Mrs. Morningstar.
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