CASE STUDY

Mr. Xaviour is a businessman fighting a long drawn Court case with Mr. Young another businessman. To support his case Mr. Xaviour signs up the services of Mr. Zagalo, a legal expert stating that an amount of $5,000 would be paid, if Mr. Zagalo does not take up briefs of Mr. Young. Mr Zagalo agrees. However, at the end of the litigation, Mr. Xaviour refuses to pay.

Required

Explore case precedents and legal doctrines that may inform the interpretation and application of contractual principles in the present case.

Please give detail explanation with references.