Should we engage in ministry and pursue the mission even when it might involve putting ourselves in potentially harmful situations. Yes. Absolutely. Without a doubt. We do not make an idol out of our welfare and self-preservation.
But what if we have a family? What if doing this sort of ministry and pursuing the mission in this way not only potentially endangers ourselves, but also our family and our children — those of whom Paul says, “[I]f anyone does not provide for his relatives, and especially for members of his household, he has denied the faith and is worse than an unbeliever” (1 Tim 5:8).
John Piper — “Short answer: Yes.”
Why? Because the cause is worth the risk, and the children are more likely to become Christ-exalting, comfort-renouncing, misery-lessening exiles and sojourners in this way than by being protected from risk in the safety of this world.
Read the article, Risk Your Kids for the Kingdom? On Taking Children to Unreached Peoples.