Final answer:
Zeebo, Calpurnia's son, has a unique skill or talent in the church.
Step-by-step explanation:
Based on the given information, it is difficult to determine the specific ability of Zeebo, Calpurnia's son, in the church. However, it can be assumed that Zeebo possesses a unique skill or talent that sets him apart from others in the church. This skill could be singing, playing a musical instrument, or reciting religious texts with great proficiency.