Here the word "Fear" refers to deep respect and awe for God. The word "soul" refers to the entire person. Alternate translation: "Each person felt a deep respect and awe for God" (See: [[rc://en/ta/man/translate/figs-synecdoche]])
Possible meanings are 1) "the apostles performed many wonders and signs" or 2) "God performed many wonders and signs through the apostles" (See: [[rc://en/ta/man/translate/figs-activepassive]])