Mula Wiktionary

Pintakasi - The Tagalog word pintakasi used to refer to someone who mediates. The meaning has now evolved and taken on two new definitions in contemporary usage.

pintakasi a patron saint someone who mediates or negotiates on your behalf (a patron saint is said to intercede or plead your case to God)

pintakasi a cockfighting derby

The relationship between the two words is that a fiesta is usually celebrated to honor a patron saint, and cockfighting is one of the activities during a fiesta celebration.

sabong cockfighting

patron patron, patron saint