How to pronounce“hostler”in English

“As the chaise drove through Clavering, the hostler standing whistling under the archway of the Clavering Arms, winked the postilion ominously, as much as to say all was over.”

“The employees contend that inasmuch as there are seven engines hostled at Sleepy Eye within a 12-hour period, a hostler from the ranks of the firemen must be assigned […]”