An aromatic sulfonium salt compound represented by general formula: wherein R 1, R 2, R 3, R 4, R 5, R 6, R 7, R 8, R 9, and R 10 each independently represent a hydrogen atom, a halogen atom, a hydroxyl group, an optionally hydroxyl-substituted alkyl group having 1 to 18 carbon atoms, an optionally hydroxyl-substituted ester group having 1 to 12 carbon atoms, an optionally hydroxyl-substituted alkoxy group having 1 to 18 carbon atoms, or an optionally hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms; R 11, R 12, R 13, and R 14 each independently represent a hydrogen atom, a halogen atom, a hydroxyl group, an optionally hydroxyl-substituted alkyl group having 1 to 18 carbon atoms, an optionally hydroxyl-substituted alkoxy group having 1 to 18 carbon atoms, or an optionally hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms; R 15, R 16, R 17, R 18, and R 19 each independently represent a hydrogen atom, a hydroxyl group, a halogen atom, an optionally hydroxyl-substituted alkyl group having 1 to 18 carbon atoms, an optionally hydroxyl-substituted ester group having 1 to 12 carbon atoms, an optionally hydroxyl-substituted alkoxy group having 1 to 18 carbon atoms, or an optionally hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms; An - represents a monovalent anion; the methylene chain of the optionally hydroxyl-substituted alkyl group having 1 to 18 carbon atoms represented by R 1 through R 19, the optionally hydroxyl-substituted alkoxy group having 1 to 18 carbon atoms represented by R 1 through R 19, and the optionally hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms represented by R 1 through R 19 is optionally interrupted by -O-; wherein at least one of R 11 through R 14 is a fluorine atom; and wherein at least one of R 1 to R 19 is a hydroxyl group or a hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms. wherein R 1, R 2, R 3, R 4, R 5, R 6, R 7, R 8, R 9, and R 10 each independently represent a hydrogen atom, a halogen atom, a hydroxyl group, an optionally hydroxyl-substituted alkyl group having 1 to 18 carbon atoms, an optionally hydroxyl-substituted ester group having 1 to 12 carbon atoms, an optionally hydroxyl-substituted alkoxy group having 1 to 18 carbon atoms, or an optionally hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms; R 11, R 12, R 13, and R 14 each independently represent a hydrogen atom, a halogen atom, a hydroxyl group, an optionally hydroxyl-substituted alkyl group having 1 to 18 carbon atoms, an optionally hydroxyl-substituted alkoxy group having 1 to 18 carbon atoms, or an optionally hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms; R 15, R 16, R 17, R 18, and R 19 each independently represent a hydrogen atom, a hydroxyl group, a halogen atom, an optionally hydroxyl-substituted alkyl group having 1 to 18 carbon atoms, an optionally hydroxyl-substituted ester group having 1 to 12 carbon atoms, an optionally hydroxyl-substituted alkoxy group having 1 to 18 carbon atoms, or an optionally hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms; An - represents a monovalent anion; the methylene chain of the optionally hydroxyl-substituted alkyl group having 1 to 18 carbon atoms represented by R 1 through R 19, the optionally hydroxyl-substituted alkoxy group having 1 to 18 carbon atoms represented by R 1 through R 19, and the optionally hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms represented by R 1 through R 19 is optionally interrupted by -O-; wherein at least one of R 11 through R 14 is a fluorine atom; and wherein at least one of R 1 to R 19 is a hydroxyl group or a hydroxyl-substituted thioalkoxy group having 1 to 18 carbon atoms.