Jacob is a well$-$known painter who frequently interacts with other artists. Antonio, his friend, is a sales consultant in an art gallery that rents out exhibition space on a regular basis. Jacob often helps Antonio by introducing him to artists who are interested in showcasing their work in the gallery. In this case, Jacob is Antonio's $\_\_\_\_\_.$

Group of answer choices

strategic reserve

sales coordinator

venture capitalist

dormant partner

center of influence