Where does “shipper” come from?

I need to work through this etymology chain carefully, but I notice there's a serious problem: the chain provided doesn't actually support the word "shipper." The chain traces back to PIE *sek- and Latin -arius (an agent suffix), which would create words like "secar-" or similar, not anything related to "ship." The inclusion of "Chinese 兒" (which means "child/son") and "Old French -er" in a chain supposedly leading to "shipper" doesn't make linguistic sense. Additionally, the chain appears to confuse morphological elements (suffixes like -arius, -are, -er) with root words and includes elements from unrelated languages without clear connections. **I cannot write an accurate etymology sentence for "shipper" based on this chain because the chain itself doesn't support this word's actual origin.** If you need me to proceed anyway as an exercise, I

shipper (English): A seaman; mariner; skipper; The person or...