Opposers are people who try to stop you from doing what you want to do, especially with arguments and words.
There will always be people who will raise sound arguments to oppose your business, plans, finances, marriage, promotion, and even your service to God.
How can you overcome people who have powerful words and counsel to oppose you.
For I will give you a mouth and wisdom, which all your adversaries shall not be able to gainsay nor resist.
Gainsay means to speak words against someone. You can overcome opposers by asking God for wisdom. There is a kind of wisdom that can crush any type of opposition that people can advance against you. It makes nonsense of every type of argument.
Pray to God for this type of wisdom any time you come against