enum class UserStatus(private val str: String) {
    Pending("pending"),
    Active("active"),
    Suspended("suspended"),
    CanceledByUser("canceled");

    override fun toString(): String = str

    fun label(): String = when (this) {
        Pending -> "Pending"
        Active -> "Active"
        Suspended -> "Suspended"
        CanceledByUser -> "Canceled by user"
    }
}

fun main() {
    for (status in UserStatus.values()) {
        println("""<option value="$status">${status.label()}</option>""")
    }
}

<option value="pending">Pending</option>
<option value="active">Active</option>
<option value="suspended">Suspended</option>
<option value="canceled">Canceled by user</option>