Ownership and stewardship are sometimes used interchangeably, but they describe different stances toward the same asset. The distinction matters most when the two diverge.
Rights and obligations
An owner has rights of control, transfer, and use. A steward acknowledges those rights but accepts a corresponding obligation: to leave the asset in a condition at least as good as the one in which it was received. The obligation is moral and cultural, not legal.
Time horizons
Owners are accountable to themselves and their generation. Stewards behave as though they were accountable to predecessors and successors as well. This expansion of the audience changes which decisions look correct.
Why the distinction matters
Many disagreements within owner groups are described as conflicts of interest but are, more precisely, conflicts of stance: some members are operating as owners, others as stewards. Naming the underlying difference often resolves more than negotiating the surface dispute.