In his role with RUF-I, LaCour has encouraged PCA churches to welcome the nations in their neighborhoods by reaching out to international students at American colleges and universities. The PCA is one of only four denominations that has an organized denominational effort to reach international students. 

In the absence of strong, well-taught leaders, young Nepalese Christians are sometimes led astray by false teachers. This leadership vacuum gave Joshua a heart for training more leaders for ministry in Nepal.