This is the 5053rd most frequent Chinese word.
靠山
"Supporter," "backer," or "reliable support."
In this sentence, "靠山" means a powerful supporter or patron who helps someone in their endeavors.
他找到了一位有权势的靠山，现在事业发展很顺利。
He found an influential backer, and his career is developing smoothly now.
Here, "靠山" refers to physical mountains surrounding the village, serving as a source of resources.
山村靠山中的矿产资源维持着经济的基本需求。
The mountain village relies on the mineral resources in the surrounding mountains for its basic economic needs.
In this context, "靠山" metaphorically signifies a dependable foundation, which, in this case, is one's own personal traits.